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CF Fittings

CF Vacuum Fittings on this site comply with the ISO 3669 standard and CF Vacuum Fittings up to NW200 are compatible with ConFlat flanges and CF flanges from other leading manufacturers.

While there is no general standard for CF flanges NW250 and over, essentially two “standards” have come into use, one Anglo-American and one European, both of which are available in our product line. Other standards are also used by some other manufacturers and in use at some research centres.

Due to UHV bakeability requirements, sealing of the CF flanges is provided by use of Oxygen-free copper (OFHC) flat gasket rings which usually can only be used once due to deformation. The tightening pressure is exerted by through-bore screws that have to be tightened uniformly and crosswise to avoid excessive strain.

Material: 304L stainless steel as standard, 316L and other materials can be supplied upon request
Bakeable to 450°C
Vacuum rating 1×10-11mbar
Wide ranges of elbows, crosses, tees and adaptors are available
Tubulated flanges are available for welding to stainless steel tube

CF35 Copper Gasket Annealed SKU: CUA35 CF Copper Gaskets Annealed are used to connect two flanges together and create a vacuum seal with the use of bolts.They are supplied in sealed plastic bags.CF Copper Gaskets Annealed are manufactured to the CF standard and are compatible with other supplier’s product. Note our copper certified is 99.95% pure £ 5.53 5.53 GBP	CF63 Copper Gasket Annealed SKU: CUA63 CF Copper Gaskets Annealed are used to connect two flanges together and create a vacuum seal with the use of bolts.They are supplied in sealed plastic bags.CF Copper Gaskets Annealed are manufactured to the CF standard and are compatible with other supplier’s product. £ 3.99 3.99 GBP	CF100 Elbow Fixed SKU: EL100 90 degree CF Elbows Fixed are used to change the direction of the pipework as required.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The 90 degree CF Elbows Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: Stainless SteelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of crosses & tees are available	CF100 Elbow Both Flanges Rotatable SKU: EL100R 90 degree CF Elbows are used to change the direction of the pipework as required. Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps. The 90 degree CF Elbows are manufactured to the CF Standard and are compatible with other supplier’s product. Material: Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of crosses & tees are available £ 236.25 236.25 GBP
CF150 Elbow Fixed SKU: EL150 90 degree CF Elbows Fixed are used to change the direction of the pipework as required.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The 90 degree CF Elbows Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: Stainless SteelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of crosses & tees are available	CF150 Elbow Both Flanges Rotatable SKU: EL150R 90 degree CF Elbows are used to change the direction of the pipework as required. Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps. The 90 degree CF Elbows are manufactured to the CF Standard and are compatible with other supplier’s product. Material: Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of crosses & tees are available £ 420.00 420.0 GBP	CF16 Elbow Fixed SKU: EL16 90 degree CF Elbows Fixed are used to change the direction of the pipework as required.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The 90 degree CF Elbows Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: Stainless SteelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of crosses & tees are available	CF16 Elbow Both Flanges Rotatable SKU: EL16R 90 degree CF Elbows are used to change the direction of the pipework as required. Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps. The 90 degree CF Elbows are manufactured to the CF Standard and are compatible with other supplier’s product. Material: Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of crosses & tees are available
CF200 Elbow Fixed SKU: EL200 90 degree CF Elbows Fixed are used to change the direction of the pipework as required.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The 90 degree CF Elbows Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: Stainless SteelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of crosses & tees are available	CF200 Elbow Both Flanges Rotatable SKU: EL200R 90 degree CF Elbows are used to change the direction of the pipework as required. Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps. The 90 degree CF Elbows are manufactured to the CF Standard and are compatible with other supplier’s product. Material: Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of crosses & tees are available £ 749.00 749.0 GBP	CF35 Elbow Fixed SKU: EL35 90 degree CF Elbows Fixed are used to change the direction of the pipework as required.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The 90 degree CF Elbows Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: Stainless SteelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of crosses & tees are available	CF35 Elbow Both Flanges Rotatable SKU: EL35R 90 degree CF Elbows are used to change the direction of the pipework as required. Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps. The 90 degree CF Elbows are manufactured to the CF Standard and are compatible with other supplier’s product. Material: Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of crosses & tees are available £ 77.89 77.89 GBP
CF63 Elbow Fixed SKU: EL63 90 degree CF Elbows Fixed are used to change the direction of the pipework as required.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The 90 degree CF Elbows Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: Stainless SteelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of crosses & tees are available	CF63 Elbow Both Flanges Rotatable SKU: EL63R 90 degree CF Elbows are used to change the direction of the pipework as required. Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps. The 90 degree CF Elbows are manufactured to the CF Standard and are compatible with other supplier’s product. Material: Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of crosses & tees are available £ 182.90 182.9 GBP	CF100 Fixed Blank Flange SKU: F100 CF Blank flanges are used to cap off the open ports where not required and are also used as a base part to manufacture adaptor fittings, instruments, feedthroughs etc. Manufactured from: 304L Stainless Steel. They are supplied in a plastic bag with a protective plastic cap. The CF Blank flanges are manufactured to the CF Standard and are compatible with other supplier’s product. Material: Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of elbows, crosses, tees and adaptors are available Tubulated flanges are available for welding to stainless steel tube * European standard, to be used with copper gasket OD 272.7 mm £ 54.36 54.36 GBP	CF100 Fixed Bored Flange, 152mm OD 102mm ID SKU: F100B CF Bored Flanges Fixed are used for welding onto tube to produce ports and connectors when manufacturing fabrications. Manufactured from: 304L and 316L Stainless Steel. They are supplied in a plastic bag with a protective plastic cap. CF Bored Flanges Fixed are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless SteelBakeable to 450°C Vacuum rating 1×10-11 mbarWide range of elbows, crosses, tees and adaptors are available Tubulated flanges are available for welding to stainless steel tube * European standard, to be used with copper gasket OD 272.7 mm £ 47.90 47.9 GBP
CF100 Fixed Bored Flange, 152mm OD 108mm ID SKU: F100B108 CF Bored Flanges Fixed are used for welding onto tube to produce ports and connectors when manufacturing fabrications. Manufactured from: 304L and 316L Stainless Steel. They are supplied in a plastic bag with a protective plastic cap. CF Bored Flanges Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: 304L Stainless SteelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows, crosses, tees and adaptors are availableTubulated flanges are available for welding to stainless steel tube* European standard, to be used with copper gasket OD 272.7 mm £ 55.75 55.75 GBP	CF100 - Bored Tapped Flange, 108mm ID SKU: F100B108T CF Bored Flanges Fixed are used for welding onto tube to produce ports and connectors when manufacturing fabrications. Manufactured from: 304L and 316L Stainless Steel. They are supplied in a plastic bag with a protective plastic cap. CF Bored Flanges Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: 304L Stainless SteelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows, crosses, tees and adaptors are availableTubulated flanges are available for welding to stainless steel tube* European standard, to be used with copper gasket OD 272.7 mm £ 78.95 78.95 GBP	CF100 - Bored Tapped Flange, 102mm ID SKU: F100BT CF Bored Flanges Fixed are used for welding onto tube to produce ports and connectors when manufacturing fabrications. Manufactured from: 304L and 316L Stainless Steel. They are supplied in a plastic bag with a protective plastic cap. CF Bored Flanges Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: 304L Stainless SteelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows, crosses, tees and adaptors are availableTubulated flanges are available for welding to stainless steel tube* European standard, to be used with copper gasket OD 272.7 mm £ 78.95 78.95 GBP	CF100 - Plastic CF Flange Cap SKU: F100CAP CF Flange caps are used to protect the knife edge face on CF Flanges. Manufactured from: Plastic £ 0.79 0.79 GBP